Quote Originally Posted by FDibbins View Post
What did it do, what did you get? Did you custom format the cell as I suggested?

A
B
C
1
5/21/2015 15:33:00
5/25/2015 16:53:40
73:20:40

C1=(NETWORKDAYS(A1,B1))+MOD(B1-A1,1)
custom formatted [h]:mm:ss;@

If you still have a problem, upload a small (clean) sample workbook (not a pic) of what you are working with, and what your expected outcome would look like.
Still confuse why you count 73:20:40 hours while Saturday and Sunday are weekends then result should be 49:20:40 hours? Please explain

Regards,
tt3